alleryThe French word quatre-vingt, literally four-twenty, stands for which number?
A90
B40
C24
D80
Answer & Solution
Correct answer: D. 80
1. Quatre-vingt means four twenties.
2. Four times twenty is 80, showing a base of 20.
3. Ninety is quatre-vingt-dix, four-twenty ten.
_Source: Wikipedia, Ethnomathematics, French_
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